During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

A new study focusing on Enceladus, a moon of Saturn, shows that the physics of alien oceans could prevent evidence of deep-sea life from reaching places where we can detect it.

For the first time, Blue Origin put its New Shepard suborbital rocket ship through a couple of minutes' worth of moon-level ...

Engaging articles, breathtaking images and expert knowledge ...

SpaceX launched another batch of Starlink satellites to orbit from Florida's Space Coast early this morning (Feb. 4). A ...